Home / 450,496.66-621,623.90-269,170.06

Finding the Fourth Proportional to 450,496.66, 621,623.90 and 269,170.06

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Solution

The fourth proportional to 450,496.66, 621,623.90 and 269,170.06 is: 371,417.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,496.66 : 621,623.90 = 269,170.06 : x
  2. Step 2: Convert to fraction form
    450,496.66/621,623.90 = 269,170.06/x
  3. Step 3: Cross multiply
    450,496.66x = 621,623.90 × 269,170.06
  4. Step 4: Simplify right side
    450,496.66x = 167,322,542,460.43
  5. Step 5: Solve for x
    x = 167,322,542,460.43/450,496.66
  6. Step 6: Final answer
    x = 371,417.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.